1
James M Farley, Prasadarao Meka, Ferdinand C Stehling, Barry C Trudell, Myron B Kurtzman: Heat sealable films and articles made therefrom. Exxon Chemical Patents, Jaimes Sher, Darrell E Warner, June 25, 1996: US05530065 (84 worldwide citation)

Heat sealed articles and heat sealable films comprising a polymer blend of a first polymer having a narrow molecular weight and composition distribution and a second polymer having a broad molecular weight distribution and composition distribution. The articles and films have significantly improved ...


2
Blair Alfred Graham, Mark P Ossowski, James M Farley, Rainer Kolb: Ethylene-alpha olefin copolymers and polymerization processes for making the same. Univation Technologies, January 25, 2011: US07875690 (22 worldwide citation)

A process for the production of an ethylene alpha-olefin copolymer is disclosed. The process includes polymerizing ethylene and at least one alpha-olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene catalyst in at least one gas phase reactor at a reactor pressure o ...


3
Natalie A Merrill, James M Farley, Martha H Robertson, Charles L Sims, Richard B Pannell, Angelo A Montagna: Tackifiers and a process to obtain tackifiers. Exxon Chemical Patents, Catherine L Bell, Frank E Reid, September 3, 1996: US05552489 (19 worldwide citation)

Tackifiers having Mn's of 5,000 or less and Tg's above 0.degree. C. are produced by combining a single site catalyst with an alpha-olefin and a cyclic monomer under conditions designed to produce low molecular weight.


4
James M Farley, Richard W Halle, George Panagopoulos, Jerry M Johnson, Douglas J Laurent, Alan M Malakoff: Metallocene-produced very low density polyethylenes. ExxonMobil Chemical Patents, August 23, 2005: US06932592 (18 worldwide citation)

A very low density polyethylene having a density of 0.890 to 0.915 and a Dart Drop value of at least about 450 g/mil or above is disclosed. Gas phase polymerization methods are also disclosed for making very low density linear polyolefins utilizing a metallocene catalyst, and the resulting polyolefi ...


5
Robert O Hagerty, Kevin B Stavens, Marc L DeChellis, D Brett Fischbuch, James M Farley: Polymerization process. Univation Technologies, Catherine L Bell, Leandro Arechederra, October 17, 2006: US07122607 (15 worldwide citation)

The present invention relates to a continuous gas phase process comprising polymerizing one or more hydrocarbon monomer(s) in a fluidized bed reactor in the presence of catalyst system or polymerization catalyst and a condensable fluid for a period of at least 12 hours where the bed temperature is l ...


6
Rainer Kolb, Agapios K Agapiou, James M Farley, Eric J Markel, Bruce J Savatsky, Christopher R Davey, Richard B Pannell: Polymerization processes using metallocene catalysts, their polymer products and end uses. Univation Technologies, December 27, 2011: US08084560 (12 worldwide citation)

A process for the production of an ethylene alpha-olefin copolymer is disclosed, the process including polymerizing ethylene and at least one alpha-olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene catalyst in at least one gas phase reactor at a reactor pressure ...


7
Robert O Hagerty, Kevin B Stavens, Marc L DeChellis, D Brett Fischbuch, James M Farley: Polymerization process. Univation Technologies, Leandro Arechederra, Catherine L Bell, November 27, 2007: US07300987 (9 worldwide citation)

The present invention relates to a continuous gas phase process comprising polymerizing one or more hydrocarbon monomer(s) in a fluidized bed reactor in the presence of catalyst system or polymerization catalyst and a condensable fluid for a period of at least 12 hours where the bed temperature is l ...


8
Christopher R Davey, James M Farley, Rainer Kolb, Mark P Ossowski: Polymers made with metallocene catalysts, for use in rotomolding and injection molding products. Univation Technologies, November 29, 2011: US08067518 (8 worldwide citation)

Ethylene alpha-olefin copolymers formed by contacting at least one supported metallocene catalyst, ethylene, and an alpha-olefin in a gas phase reactor are disclosed. In some embodiments, the polymer may have: a density of between 0.890 and 0.970 g/cc; a melt index of between 0.7 and 200 dg/min; a m ...


9
Robert O Hagerty, Kevin B Stavens, Marc L DeChellis, D Brett Fischbuch, James M Farley: Polymerization process. Univation Technologies, Leandro Arechederra III, March 24, 2009: US07507780 (5 worldwide citation)

The present invention relates to a continuous gas phase process comprising polymerizing one or more hydrocarbon monomer(s) in a fluidized bed reactor in the presence of a Ziegler-Natta-type catalyst system and a condensable fluid for a period of at least 12 hours where the bed temperature is less th ...


10
James M Farley, Richard W Halle, George Panagopoulos, Jerry M Johnson: Very low density polyethylene and high density polyethylene blends. Univation Technologies, Leandro Arechederra, November 14, 2006: US07135526 (5 worldwide citation)

Blends of very low density polyethylene produced using metallocene catalysts (mVLDPE) and high density polyethylene (HDPE) are disclosed. The polymer blends include a metallocene-catalyzed VLDPE polymer having a density of less than 0.916 g/cm3, the VLDPE polymer preferably being linear and without ...